@article {1563,
	title = {Evidence of widespread effects of ozone on crops and (semi-)natural vegetation in Europe (1990{\textendash}2006) in relation to AOT40- and flux-based risk maps.},
	volume = {17},
	year = {2011},
	pages = {592-613},
	author = {Mills, G. and Hayes, F. and Simpson, D. and Emberson, L. and Norris, D. and Harmens, H. and Buker, P.}
}
@article {1488,
	title = {New stomatal flux-based critical levels for ozone effects on vegetation.},
	volume = {45},
	year = {2011},
	pages = {5064-5068},
	author = {Mills, G. and Pleijel, H. and Braun, S. and Buker, P. and Bermejo, V. and Calvo, E. and Danielsson, H. and Emberson, L. and Gonzalez Fernandez, I. and Grunhage, L. and Harmens, H. and Hayes, F. and Karlsson, P.E. and Simpson, D.}
}
@article {1101,
	title = {The impacts of ozone on nature conservation },
	volume = {403},
	year = {2007},
	author = {Morrissey, T. and Ashmore, M.R. and Emberson, L.D. and Cinderby, S. and Buker, P.}
}
@article {1590,
	title = {Impacts of summer ozone exposure on the growth and overwintering of UK upland vegetation.},
	volume = {40},
	year = {2006},
	pages = {4088-4097},
	author = {Hayes, F. and Mills, G. and Williams, P. and Harmens, H. and Buker, P.}
}
